## checkIfValidMedplumVersion() function

Tests that a given version string is a valid existing Medplum release version.

**Signature:**

```typescript
export declare function checkIfValidMedplumVersion(appName: string, version: string): Promise<boolean>;
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| appName | string | The name of the app to check the version for. |
| version | string | A version to be checked against the existing Medplum repo releases. |

**Returns:**

Promise<boolean>

`true` if `version` is a valid semver version that corresponds to an existing release, otherwise `false`.

- [checkIfValidMedplumVersion() function](/content/docs/sdk/core.checkifvalidmedplumversion#checkifvalidmedplumversion-function/index.html)
- [Parameters](/content/docs/sdk/core.checkifvalidmedplumversion#parameters/index.html)